65521260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:520

約数の個数: 144

約数和(自身を含む): 229320000

約数和(自身を除く): 163798740

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 149, 180, 210, 252, 298, 315, 349, 420, 447, 596, 630, 698, 745, 894, 1043, 1047, 1260, 1341, 1396, 1490, 1745, 1788, 2086, 2094, 2235, 2443, 2682, 2980, 3129, 3141, 3490, 4172, 4188, 4470, 4886, 5215, 5235, 5364, 6258, 6282, 6705, 6980, 7329, 8940, 9387, 9772, 10430, 10470, 12215, 12516, 12564, 13410, 14658, 15645, 15705, 18774, 20860, 20940, 21987, 24430, 26820, 29316, 31290, 31410, 36645, 37548, 43974, 46935, 48860, 52001, 62580, 62820, 73290, 87948, 93870, 104002, 109935, 146580, 156003, 187740, 208004, 219870, 260005, 312006, 364007, 439740, 468009, 520010, 624012, 728014, 780015, 936018, 1040020, 1092021, 1456028, 1560030, 1820035, 1872036, 2184042, 2340045, 3120060, 3276063, 3640070, 4368084, 4680090, 5460105, 6552126, 7280140, 9360180, 10920210, 13104252, 16380315, 21840420, 32760630, 65521260]

約数ペア:

[(1, 65521260), (2, 32760630), (3, 21840420), (4, 16380315), (5, 13104252), (6, 10920210), (7, 9360180), (9, 7280140), (10, 6552126), (12, 5460105), (14, 4680090), (15, 4368084), (18, 3640070), (20, 3276063), (21, 3120060), (28, 2340045), (30, 2184042), (35, 1872036), (36, 1820035), (42, 1560030), (45, 1456028), (60, 1092021), (63, 1040020), (70, 936018), (84, 780015), (90, 728014), (105, 624012), (126, 520010), (140, 468009), (149, 439740), (180, 364007), (210, 312006), (252, 260005), (298, 219870), (315, 208004), (349, 187740), (420, 156003), (447, 146580), (596, 109935), (630, 104002), (698, 93870), (745, 87948), (894, 73290), (1043, 62820), (1047, 62580), (1260, 52001), (1341, 48860), (1396, 46935), (1490, 43974), (1745, 37548), (1788, 36645), (2086, 31410), (2094, 31290), (2235, 29316), (2443, 26820), (2682, 24430), (2980, 21987), (3129, 20940), (3141, 20860), (3490, 18774), (4172, 15705), (4188, 15645), (4470, 14658), (4886, 13410), (5215, 12564), (5235, 12516), (5364, 12215), (6258, 10470), (6282, 10430), (6705, 9772), (6980, 9387), (7329, 8940)]